The GE Profile PVM9005SJSS leads with 2.1 cu. ft. capacity versus 1.9 cu. ft. on the KitchenAid KMHC319ESS and remains in current production. The KitchenAid offers convection cooking and 6 fan speeds against the GE's 4 speeds plus Chef Connect. GE is the stronger pick for most users needing space and ongoing support.